You can learn technological things, you can learn about...

You can learn technological things, you can learn about specific things, but the real problems that people deal with in any subject, existential subjects or romantic subjects, you never learn anything. So you make a fool of yourself when you're 20, you make a fool of yourself at 40, at 60 at 80. The ancient Greeks were dealing with these problems. They screwed up all the time. People do now.